Re: [PATCH 3/3] x86: decouple pat and mtrr handling

2022-08-17 Thread Juergen Gross
On 19.07.22 17:15, Borislav Petkov wrote: On Fri, Jul 15, 2022 at 04:25:49PM +0200, Juergen Gross wrote: Today PAT is usable only with MTRR being active, with some nasty tweaks to make PAT usable when running as Xen PV guest, which doesn't support MTRR. The reason for this coupling is, that bot

Re: PING [PATCH 3/3] x86: decouple pat and mtrr handling

2022-08-16 Thread Chuck Zmudzinski
On 8/13/2022 6:41 PM, Chuck Zmudzinski wrote: > On 8/13/2022 5:48 PM, Borislav Petkov wrote: > > On Sat, Aug 13, 2022 at 05:40:34PM -0400, Chuck Zmudzinski wrote: > > > I did a search for Juergen Gross on lkml and he is active submitting and > > > reviewing patches during the past few weeks. Howeve

Re: PING [PATCH 3/3] x86: decouple pat and mtrr handling

2022-08-13 Thread Chuck Zmudzinski
On 8/13/2022 5:48 PM, Borislav Petkov wrote: > On Sat, Aug 13, 2022 at 05:40:34PM -0400, Chuck Zmudzinski wrote: > > I did a search for Juergen Gross on lkml and he is active submitting and > > reviewing patches during the past few weeks. However, he is ignoring > > comments on his patch to fix thi

Re: PING [PATCH 3/3] x86: decouple pat and mtrr handling

2022-08-13 Thread Borislav Petkov
On Sat, Aug 13, 2022 at 05:40:34PM -0400, Chuck Zmudzinski wrote: > I did a search for Juergen Gross on lkml and he is active submitting and > reviewing patches during the past few weeks. However, he is ignoring > comments on his patch to fix this regression. Please stop this non-sense and be pati

Re: PING [PATCH 3/3] x86: decouple pat and mtrr handling

2022-08-13 Thread Chuck Zmudzinski
On 8/13/2022 1:20 PM, Borislav Petkov wrote: > On Sat, Aug 13, 2022 at 12:56:44PM -0400, Chuck Zmudzinski wrote: > > Why has Juergen not at least responded in some way to the > > comments that Boris has made here? Why has Boris not > > pinged Juergen by now, > > How about: it is summer here and peo

Re: PING [PATCH 3/3] x86: decouple pat and mtrr handling

2022-08-13 Thread Borislav Petkov
On Sat, Aug 13, 2022 at 12:56:44PM -0400, Chuck Zmudzinski wrote: > Why has Juergen not at least responded in some way to the > comments that Boris has made here? Why has Boris not > pinged Juergen by now, How about: it is summer here and people usually take their vacations during that time and ev

Re: PING [PATCH 3/3] x86: decouple pat and mtrr handling

2022-08-13 Thread Chuck Zmudzinski
On 7/19/22 11:15 AM, Borislav Petkov wrote: > On Fri, Jul 15, 2022 at 04:25:49PM +0200, Juergen Gross wrote: > > Today PAT is usable only with MTRR being active, with some nasty tweaks > > to make PAT usable when running as Xen PV guest, which doesn't support > > MTRR. > > > > The reason for this

Re: [PATCH 3/3] x86: decouple pat and mtrr handling

2022-07-19 Thread Chuck Zmudzinski
On 7/15/22 10:25 AM, Juergen Gross wrote: > Today PAT is usable only with MTRR being active, with some nasty tweaks > to make PAT usable when running as Xen PV guest, which doesn't support > MTRR. > > The reason for this coupling is, that both, PAT MSR changes and MTRR > changes, require a similar

Re: [PATCH 3/3] x86: decouple pat and mtrr handling

2022-07-19 Thread Borislav Petkov
On Fri, Jul 15, 2022 at 04:25:49PM +0200, Juergen Gross wrote: > Today PAT is usable only with MTRR being active, with some nasty tweaks > to make PAT usable when running as Xen PV guest, which doesn't support > MTRR. > > The reason for this coupling is, that both, PAT MSR changes and MTRR > chang

[PATCH 3/3] x86: decouple pat and mtrr handling

2022-07-15 Thread Juergen Gross
Today PAT is usable only with MTRR being active, with some nasty tweaks to make PAT usable when running as Xen PV guest, which doesn't support MTRR. The reason for this coupling is, that both, PAT MSR changes and MTRR changes, require a similar sequence and so full PAT support was added using the